In July 2008, BB published a definitive list of the Bird Recording Areas of Great Britain, which aimed to be acceptable to all national and local authorities and which could be generally recognised.
The following updates have been made since the paper was published in 2008:
East Glamorgan and Gower
Following discussions between the Welsh Ornithological Society and the local societies concerned, it is now recommended that Glamorgan should be treated as two Recording Areas at both national and local level: as East Glamorgan (UAs of Bridgend, Rhondda/Cynon/Taff, Vale of Glamorgan, Cardiff, Merthyr Tydfil and the west part of Caerphilly) and Gower (UAs of Swansea and Neath Port Talbot). This updates the paper by Ballance & Smith (Brit. Birds 101: 364-375) to reflect local practice, which at present is strongly in favour of separating the two areas.